545546457 has 12 divisors (see below), whose sum is σ = 788307520. Its totient is φ = 363561048.

The previous prime is 545546399. The next prime is 545546479. The reversal of 545546457 is 754645545.

545546457 is a `hidden beast` number, since 54 + 5 + 546 + 4 + 57 = 666.

It is not a de Polignac number, because 545546457 - 2⁷ = 545546329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545546497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17868 + ... + 37554.

Almost surely, 2^545546457 is an apocalyptic number.

It is an amenable number.

545546457 is a deficient number, since it is larger than the sum of its proper divisors (242761063).

545546457 is a wasteful number, since it uses less digits than its factorization.

545546457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22772 (or 22769 counting only the distinct ones).

The product of its digits is 1680000, while the sum is 45.

The square root of 545546457 is about 23356.9359505908. The cubic root of 545546457 is about 817.1038307124.

The spelling of 545546457 in words is "five hundred forty-five million, five hundred forty-six thousand, four hundred fifty-seven".